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US3674555A Expired / Lapsed US ⏱️ 0.0 years remaining

Low density starch hydrolysates

Assignee: Unilever Bestfoods North America
•
Filing: 1970-06-24
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Granted: 1972-07-04
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Expires: 1990-06-24
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Abstract

Abstract PROCESS FOR PRODUCING SPRAY DRIED STARC HYDROLYSATES HAVING A BULK DENSITY BELOW ABOUT 20 POUNDS PER CUBIC FOOT WHICH COMPRISES: (A) HEATING AN AQUEOUS SLURRY CONTAINING FROM ABOUT 20% TO ABOUT 45% BY WEIGHT OF A STARCH HYDROLYSATE HAVING A D.E. OF FROM ABOUT 2 TO ABOUT 30 IN A FIRST, CONFINED ZONE UNDER PRESSURE OF A TEMPERATURE OF FROM ABOUT 210*F. TO ABOUT 300*F.; (B) INJECTING THE SLURRY INTO A SECOND, LARGE VOLUME ZONE INTO CONTACT WICH HEATED AIR HAVING A TEMPERATURE OF FROM ABOUT 320*F. TO ABOUT 450*F. WITH A SUDDEN RELEASE OF THE PRESSURE ON THE SLURRY UPON INJECTION; (C) MAINTAINING CONDITIONS IN THE SECOND ZONE SUCH THAT DRYING TO A MOISTURE CONTENT BELOW ABOUT 3% IS ACHIEVED BEFORE THE RESULTANT DRY SOLIDS ENGAGE AGAINST A COLLECTION SURFACE; AND (D) RECOVERING THE DRIED SOLIDS IN PARTICULATE FORM.

Inventors

  • 👤 Gilbert R Meyer
  • 👤 Rollo J Everett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 15:47
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/06; A; A23; A23L; A23L27/00; A23L27/30; A23L27/33; A23L27/35; A23L29/00; A23L29/30; A23L29/35

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-07-04 1976-01-03 1976-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-04 1980-01-03 1980-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-04 1984-01-03 1984-07-04 $7700.00 Window Closed / Lapsed

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